JPS6456978U - - Google Patents
Info
- Publication number
- JPS6456978U JPS6456978U JP14930287U JP14930287U JPS6456978U JP S6456978 U JPS6456978 U JP S6456978U JP 14930287 U JP14930287 U JP 14930287U JP 14930287 U JP14930287 U JP 14930287U JP S6456978 U JPS6456978 U JP S6456978U
- Authority
- JP
- Japan
- Prior art keywords
- chisel
- annular groove
- holder
- breaker
- steel balls
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims 1
- 238000007664 blowing Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Description
図面はこの考案の一実施例を示し、第１図は油
圧ブレーカの断面図、第２図は第１図円内の拡
大図、第３図イ，ロないし第５図イ，ロ及び第６
図イ，ロ，ハは制振ブツシユの説明図、第７図は
第１図の円内の拡大図、第８図はホルダブツシ
ユの一部を示す斜視図、第９図は第７図―線
に沿う断面図、第１０図及び第１１図は他の実施
例の説明図、第１２図は第１１図―線に
沿う断面図、第１３図は従来の説明図である。
１……ブレーカ本体、２……打撃ピストン、７
……チゼルホルダ、７ａ……環状溝、８……ホル
ダブツシユ、９……チゼル、１０……鋼球。
The drawings show one embodiment of this invention, and Fig. 1 is a sectional view of the hydraulic breaker, Fig. 2 is an enlarged view of the circle in Fig. 1, Fig. 3 A, B to Fig. 5 A, B, and Fig. 6.
Figures A, B, and C are explanatory diagrams of the damping bushing, Figure 7 is an enlarged view of the circle in Figure 1, Figure 8 is a perspective view of a part of the holder bushing, and Figure 9 is the line between Figure 7 and Figure 9. 10 and 11 are explanatory views of other embodiments, FIG. 12 is a sectional view taken along the line of FIG. 11, and FIG. 13 is an explanatory view of the conventional method. 1...Breaker body, 2...Blowing piston, 7
...Chisel holder, 7a...Annular groove, 8...Holder bush, 9...Chisel, 10...Steel ball.
Claims (1)
チゼル９を打撃して岩盤などの破砕に供する油圧
ブレーカにおいて、ブレーカ本体１の先端に設け
られたチゼルホルダ７内に環状溝７ａを設け、こ
の環状溝７ａ内に複数分割されたホルダブツシユ
８や多数の鋼球１０を収容すると共に、これらホ
ルダブツシユ８や鋼球１０により上記チゼル９を
摺動自在に支承してなる油圧ブレーカ。 In a hydraulic breaker in which a chisel 9 is struck by a striking piston 2 that is reciprocated by hydraulic pressure to crush rock, etc., an annular groove 7a is provided in a chisel holder 7 provided at the tip of the breaker body 1, and an annular groove 7a is provided inside the annular groove 7a. A hydraulic breaker which accommodates a holder bush 8 divided into a plurality of parts and a large number of steel balls 10, and supports the chisel 9 slidably by the holder bush 8 and steel balls 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14930287U JPS6456978U (en) | 1987-10-01 | 1987-10-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14930287U JPS6456978U (en) | 1987-10-01 | 1987-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6456978U true JPS6456978U (en) | 1989-04-10 |
Family
ID=31421407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14930287U Pending JPS6456978U (en) | 1987-10-01 | 1987-10-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6456978U (en) |
-
1987
- 1987-10-01 JP JP14930287U patent/JPS6456978U/ja active Pending